| 以Ti/V/Cu、V/Cu为中间层的TiAl合金 |
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| 引用本文： | 何鹏%张秉刚%冯吉才%钱乙余.以Ti/V/Cu、V/Cu为中间层的TiAl合金[J].宇航材料工艺,2000,30(4):53-57. |
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| 作者姓名： | 何鹏%张秉刚%冯吉才%钱乙余 |
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| 作者单位： | 哈尔滨工业大学现代焊接生产技术国家重点实验室 哈尔滨 150001 |
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| 摘 要： | 用真空扩散连接方法对TiAl/Ti/V/Cu/40Cr钢及TiAl/V/Cu/40Cr钢进行了研究。结果表明，以Ti/V/Cu作中间层的接头拉伸强度高于以V/Cu作中间层的接头强度。界面分析显示，Ti/V、V/Cu、Cu/40Cr钢的各个结合界面处未形成金属间化合物，而TiAl/Ti的结合界面上有Ti3Al产生；在TiAl/V的界面上有Ti3Al、Al3V两种金属间化合物产生；界面上脆性金属间化合物的产生是接头发生断裂的原因。
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| 关 键 词： | 扩散连接，界面反应，TiAl，Ti |
| 修稿时间： | 1999年11月17 |
Diffusion Bonding of TiAl to 40Cr Steel with Interlayers Ti/V/Cu and V/Cu |
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| He Peng,Zhang Binggang,Feng Jicai,Qian Yiyu.Diffusion Bonding of TiAl to 40Cr Steel with Interlayers Ti/V/Cu and V/Cu[J].Aerospace Materials & Technology,2000,30(4):53-57. |
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| Authors: | He Peng Zhang Binggang Feng Jicai Qian Yiyu |
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| Institution: | National Key Laboratory of Advanced Welding Production Technology HIT Harbin 150001 |
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| Abstract: | Diffusion bonding processes and its joint properties of TiAl to 40Cr are studied in this paper.Experiments indicate that tensile strength of the TiAl/Ti/V/Cu/40Cr joint is higher than that of TiAl/V/Cu/40Cr joint.Intermetallic compounds and other brittle phases are not found in the joint region of Ti/V, V/Cu,Cu/40Cr,while Ti 3Al is formed at interface of the TiAl/Ti,and Ti 3Al and Al 3V are formed at intrface of the TiAl/V.It is considered that fracture of the joints is caused by these brittle intermetallics at interface. |
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| Keywords: | Diffusion bonding Interface reacting TiAl Ti 3Al |
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